Guadalajara (GDL) to Buenos Aires (BUE): 4,822 miles (7,760 km) great-circle, about 10h 10m nonstop by our estimate. Cheapest fare observed: $835 round-trip on Aeromexico, with 1 stop, departing June 1, 2026.
$835 round-trip, Aeromexico AM201, departing 2026-06-01 at 05:48, returning 2026-06-11. The recorded itinerary left on a Monday, returning on a Thursday 10 nights later; the fare was observed 37 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $835, it ranked 25th of the 30 round-trip fares we recorded from GDL (median $427). That is 17.3 cents per great-circle mile (round-trip price over one-way distance), below the GDL median of 25.3 cents across 30 round-trip routes.
Routes from GDL of similar length: Sao Paulo (4,885 mi) at $663 and Madrid (5,793 mi) at $1064.
Aeromexico had the cheapest fare on 4 of 30 GDL routes. It is the 7th longest of the 30 routes we track from GDL.
Of 14 departure airports with a fare to Buenos Aires, Guadalajara (GDL) ranked 9th at $835. Lowest: $251 from Rio de Janeiro (GIG); highest: $2255 from Addis Ababa (ADD); 5 nonstop. Cheapest-fare airlines (routes): Arajet (3), LATAM (2), Aeromexico (1), Air Canada (1), Avianca (1) and Cathay Pacific (1), plus 5 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Mexico_City, America/Argentina/Buenos_Aires; flight time is our estimate.